package task4;

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class TestDemo2 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int n = in.nextInt();
            int[] arr = new int[n];
            for (int i = 0; i < n; i++) {
                arr[i] = in.nextInt();
            }
            int max = arr[0];

            for (int i = 0; i < arr.length; i++) {
                int max2=arr[i];
                for (int j = i+1; j < arr.length; j++) {
                    if(max2>max){
                        max=max2;
                    }
                    max2=max2+arr[j];
                }
                if(max2>max){
                    max=max2;
                }
            }
            System.out.println(max);
        }
    }
}
